PixelFlavor Свойство (Device)

В этом разделе

Gets or sets the value of pixel flavor for current scan session.

Синтаксис

Visual Basic
C#
Управляемые расширения для C++
C++/CLI

'Declaration

Public Property PixelFlavor As PixelFlavor

public PixelFlavor PixelFlavor { get; set; }

public: __property PixelFlavor get_PixelFlavor();
public: __property void set_PixelFlavor(
   PixelFlavor value
);

public:
property PixelFlavor PixelFlavor {
   PixelFlavor get();
   void set(PixelFlavor value);
}

Исключения

Исключение	Описание
TwainInvalidStateException	Thrown if device is in wrong state.
TwainDeviceCapabilityException	Thrown if device does not support capability.
DebuggerException	Thrown if the .NET debugger is used and the function evaluation requires all threads to run.

Ремарки

Call this property only when device is opened (State == DeviceState.Opened).

This property has effect only on black-white images.

Пример

This C#/VB.NET code shows how to acquire black-white images from the device.

VB.NET


Public Sub ScanBlackWhiteImage(device As Vintasoft.Twain.Device)
    device.ShowUI = False
    device.DisableAfterAcquire = True

    device.Open()
    device.PixelType = Vintasoft.Twain.PixelType.BW
    device.PixelFlavor = Vintasoft.Twain.PixelFlavor.Chocolate
    device.UnitOfMeasure = Vintasoft.Twain.UnitOfMeasure.Inches
    device.Resolution = New Vintasoft.Twain.Resolution(200.0F, 200.0F)

    device.Acquire()
End Sub


public void ScanBlackWhiteImage(Vintasoft.Twain.Device device)
{
    device.ShowUI = false;
    device.DisableAfterAcquire = true;

    device.Open();
    device.PixelType = Vintasoft.Twain.PixelType.BW;
    device.PixelFlavor = Vintasoft.Twain.PixelFlavor.Chocolate;
    device.UnitOfMeasure = Vintasoft.Twain.UnitOfMeasure.Inches;
    device.Resolution = new Vintasoft.Twain.Resolution(200f, 200f);

    device.Acquire();
}

Требования

Целевые платформы: .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

Смотрите также

Справочник

Device Class
Члены типа Device

Open
PixelType

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